The Warnow (ˈvaʁno) is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the state of Mecklenburg-Vorpommern in Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

. It flows into the Baltic Sea

Baltic Sea

The Baltic Sea is a brackish mediterranean sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and...

 near the town of Rostock

Rostock

Rostock -Early history:In the 11th century Polabian Slavs founded a settlement at the Warnow river called Roztoc ; the name Rostock is derived from that designation. The Danish king Valdemar I set the town aflame in 1161.Afterwards the place was settled by German traders...

, in its borough Warnemünde

Warnemünde

Warnemünde is a sea resort and northmost district of Rostock in Mecklenburg-Vorpommern, situated on the Baltic Sea in the northeast of Germany at the estuary of the river Warnow.- History :...

.

The source of the Warnow is in Grebbin, a small village 10 km north of Parchim

Parchim

Parchim is a town in Mecklenburg-Vorpommern, Germany. It is the capital of the Ludwigslust-Parchim district. It was the birthplace of Moltke, to whom a monument was erected in 1876. Founded about 1210, one branch of the family of the duke of Mecklenburg residence in Parchim during part of the 14th...

, at the western end of the Mecklenburg Lake District

Mecklenburg Lake District

The Mecklenburg Lake District is the largest coherent lakes and canals area in Germany. It is situated in southern Mecklenburg-Vorpommern, extending somewhat into the north of Brandenburg, and sometimes called "the land of the thousand lakes".The Seenplatte includes Müritz National Park, which...

. It flows north through Sternberg

Sternberg

Sternberg is surname of:- Persons :* Counts of Sternberg, Bohemian nobility* Ben-Zion Sternberg , a Zionist statesman* Charles Hazelius Sternberg , an American paleontologist...

, Bützow

Bützow

Bützow is a town in the district of Rostock in Mecklenburg-Western Pomerania in Germany, with a population of 8,122 .The town was first mentioned in 1171....

 and Schwaan

Schwaan

Schwaan is a municipality in the Rostock district, in Mecklenburg-Vorpommern, Germany. It is also the seat of the Schwaan Township, serving another six municipalities.-Geography:...

 before reaching Rostock.

In 2003, Germany's first modern toll road, the Warnow Tunnel

Warnow Tunnel

The Warnow Tunnel is a road tunnel 790 m long which connects the east and west bank of the Warnow river in the Hanseatic city of Rostock in Mecklenburg-Vorpommern, Germany....

 was opened, connecting the port of Rostock on the east bank with the west bank of the river.

The Warnabi

Warnabi

The Warnabi, Warnavi, Warnahi, Wranovi, Wranefzi, Wrani, Varnes, or Warnower were a West Slavic tribe of the Abodrite confederation in the ninth through eleventh centuries. They were one of the minor tribes of the confederation living in the Billung Mark on the eastern frontier of the Holy Roman...

, a medieval Slavic tribe, probably derived their name from the Warnow.